Base | Representation |
---|---|
bin | 1101110000001… |
… | …1000000010100 |
3 | 11000112122120000 |
4 | 3130003000110 |
5 | 104231341423 |
6 | 5420211300 |
7 | 1300206615 |
oct | 334030024 |
9 | 130478500 |
10 | 57683988 |
11 | 2a61991a |
12 | 17399b30 |
13 | bc48a4b |
14 | 7937c0c |
15 | 50e6843 |
hex | 3703014 |
57683988 has 30 divisors (see below), whose sum is σ = 150798186. Its totient is φ = 19227888.
The previous prime is 57683939. The next prime is 57684037. The reversal of 57683988 is 88938675.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (57683939) and next prime (57684037).
It can be written as a sum of positive squares in only one way, i.e., 50296464 + 7387524 = 7092^2 + 2718^2 .
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 88695 + ... + 89342.
Almost surely, 257683988 is an apocalyptic number.
It is an amenable number.
57683988 is an abundant number, since it is smaller than the sum of its proper divisors (93114198).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57683988 is a wasteful number, since it uses less digits than its factorization.
57683988 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 178053 (or 178042 counting only the distinct ones).
The product of its digits is 2903040, while the sum is 54.
The square root of 57683988 is about 7594.9975641866. The cubic root of 57683988 is about 386.3833699104.
The spelling of 57683988 in words is "fifty-seven million, six hundred eighty-three thousand, nine hundred eighty-eight".
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